Lightly tethered unmanned underwater vehicle for under-ice exploration

Abstract

The Woods Hole Oceanographic Institution has been awarded funds by the National Science Foundation to develop a tethered robotic underwater vehicle for under-ice exploration by 2014. By employing a novel light-weight tether for data-only communications, the vehicle will provide the U.S. Polar Research Community with a capability to tele-operate, under direct real-time human supervision, a remotely-controlled inspection and survey vehicle under fixed ice at ranges up to 20 km distant from a support ship or other deployment site. Physical tethering of an underwater robot is required to provide low-latency, high bandwidth control and real-time data return. The vehicle will enable exploration and detailed exploration in under-ice environments through the use of high-definition video coupled to a suite of chemical and biological sensors. Long-range light-fiber tether technology provides the high bandwidth link necessary for real-time control under the direction of the science party which AUVs cannot meet.